Charging-door for gas-producers.



No. 822,781. PATEN/TEI) JUNE 5, 1906.

' H. P. SMITH. I

CHARGING DOOR FOB, GAS PRODUCERS. APPLICATION FILED MAY 24, 1905.

2 SHEETS-SHBBT 1 WWM PATENTED JUNE 5 1906.

v H. P. SMITH. CHARGING DOOR FOR G-AS PRODUCERS.

APPLICATION FILED MAYZ I, 1905.

2 SHEETS-SHEET 2.

wi l 'vmaam Wamw i '12; all whorn, it concern;

CHARGfNG-DOOR .Be it known that I, "HARRY F. SMITH, this zen of the United States, residing at Lexington, in the county of Riehland and State of terna Ohio, have invented new and useful Imgrovements in Charging-Doors for Suction sis-Producers, of 'whic the following is a specification.

This invention has relationto char 'ngdoors for-suctidn'gasroducers, which ours it is-desirable shhuld e constructed so as to prevent the leaka e of air, dust, or other foreign matter into the producer.

The invention consl whereby a water-sealed doormay be readily and quickly manipulated to open and close the door of the retort :or producer so as to not only prevent the escape of gas into the exatmosphere, but to also-obviate the introduction of, air, dust, 850., into \the producer. p I

'The problem of sealing the char ing-doors against the escape of "gas while 0 arges are working is relatively; easy 01' solution as compared with that of maintaining exactly desirable control of the artswhile a char e is being eifect'ed or whi e examinations o ;condi-.

tions are being made, &c. a

Figure 1.1s a vert cal sectional new of a door or mouth of a suction as-producer, the

appliances connected with t e same, and theupper part of the producer. Fig. 2 is a bottom plan of the top of the producer andits connections, parts being represented as broken away.

In operating gas-producers, and especially suction-producers in which the pressure within the apparatus is below that of the surroundin atmosphere, "while expedition is highly esirable in all cases it is hi hly important that the top of-the producer Ee closed at all times air-tight issoas to prevent the leakage of gas and in thefsuction type to prevent the leakage of air intothe producer, where it niighuminglewith the gas and become a possible source of danger. An ap aratus of thisvkind, however, must be provided with nn opening through which the fuelma be introduced into the interior and throu which-the condition of the fuel-bed mayhe exaniil e d-gwlien the producerisnot in operation. "It isalso sometimes desirable to be ablelvtoeintroduce fuel into theapparatus thi pa i W h u m t-t g a y e pre quantity of air, and in any case it is ughly desirable that when the opening is PATENT? HARRY F. sM-rrmor Lnxi'ne rolflo JO FOR iAsf-enonucspi.

Specification of Letters Patent. Applieation filed May 24,1906. Serial llo.262,025.

'Owin to the uniavorable o absolutely air-tight under'all circumstance sts of improved means f" with this construction thespr'esenee of has beenv ascertained fromfexperiene closed there should bean p 7' age of air into thefinteriorof t roifn ingthis portion er-"g satisfactory solutionof this pro 1 v many difficulties. It'is' essential it a h openin be opened and closedmfgreat times,t hat the passa' e of'th" file companying grit'an dustan I a to hi h temperatures, should'not ntef ere n *3 an way with the correct worki of th panatus 1 nd that 'the"operiingis' oul The formof' a paratus usually jeriiplothis purpose ep'ends'f or'itsitightness. joint formed by two ,maehinedf -"s'ufrlfac' 1ron or other material. It jisf-e'v'ide' part of the e ttendant in clo'sirlig the or'iemn'g.

dust or-dirt or the lack of skill or carefpn the ma result in a leaky'joints j ndiiehcating of t e parts, especial y'iftheya'recrconsider able size, will ca se the'm'to"warp slightly from unequal expansioma'nd thus, reventthe formation of an air-tight-'oin"r: n' the a" par, ratus described herewit 'fzthe e gdiflicu ties have been in a large measure iivercome-in a 3-; better and more satisfactory'mannertthanb any means for .asimilar pur osepreceding In the present case thee argingsdooricon sistsof a cylindrical castingutisopen at' hoth ends and surrounded atitseloweneridl bye a annular trough B. Thisdcasting i s securely? and permanentl fastened to t-hedsop* .r if tlre 9 it producer in sue a manner that-Ethe v mouth. casing A forms "a cylindrical open ng into the interiorof the'ap 'aratusu--'--This';cy lindrieal opening is close -;-1by the'.covi g which is a sheet-metalcylinderlclosedaatener'gm end and open at the other andtfittingilodsel' over the outside of the cylindricalcasting-.-A.2' Water is placed in theiannular 'troughzB such a hei ht that the lower edge ofithe covert T will dip elow its surface. a It tis evidehp,"

this construction thatas long as r f, i g .l is k p fil h w er t'fl'w l -bciimposslhlei o ny eiri l ki iteth sep a es tissues: the connection of the cov er therewith,since m 1, 5

mtWflWillLd .thef ii eet r ssurefir ihlfni tethe apparatus. In practice t 's difierence 1n levels is found to be from one-half inch to f-fiveinches or six inches, and it is consequently sufficient if the height of the-cylinder A be somewhat greater than this, say twelve or fourteen inches. 7 It is evident also gffthat with this construction the door may be .closed and opened any number of times without interfering with the staunchness of the 'j oint when closed and also that the presence 'notfresult in a leakage of airinto the interior surface of this greatly-thickened ,ledge is ma-' chined off true. The sleeve M is cast as a holv I low vertical projection from the bottom of the annular trough B and forms a support and bearing for theshaft F. This shaft F carries 1 onit's bottomend the horizontal arm'E, which in turn carries the closure-plate D, bearing on the pivotL, carried by the armE. The up- 1 per surface of the'disk or plate D is machined .6 05 smooth, so as. to fit with tolerable tightness a ainst the lower. end or edge C of the cylinde A, which, by reason of its greatly-in-' creased thickness over the body of the door. itself, affords a surface of considerable width when brought into the proper position therea under b means of the arm E. The top of the shaft F the inner end of the hand-lever G secured to it, so that the said shaft may be turned at will by the said lever. A spring H 49 surrounds the upper end of the shaft and bears T at'the upper-endagainst the hand-lever F or cover and at itsjlower end on the top of the sleeve M for a purpose which will presently .appear. in ad dition'to this, the cylindrical cover or sleeve K,-which acts in a manner entirely similar to that of the lid T, is fastened securely .tO' the top of the shaft F, while the lower 0 en end dips in the water in the trough thus effectually sealing oif andpre- 5o venting any, leakage past the shaft F or be- Heath the bottom of the sleeve K into the interior of the producer. This feature of the con sanction is of particular importance. Great weight and effect is given by me particularly to a 1 parts and features of the construction relating-to the disk D, its pivotal support on the lever E, the milled connections of the disk D with the broadened ledge of the bottom of door. or mouth A, and the vertical rod F 6e. and all parts influenced by it as tending to simplicity, handiness of use, and perfection of lxfunction in all that is ascribed to them. i. If it should be desired to introduce coal into i the producer while it is in operation, the lever '6 ismoved so that the disk or closure-plate D 'offdrist or'dirt or 'unskilful manipulation can "iJ Qf d of thecylinder A is formed I is carried. beneath the lower end or edge Got the cylinder A and allowed to remain in this position, the disk D being thrown tightly against the machined surface 0 by the action of the spring H, as before indicated, thus closing tightly the bottom" of the cylinder A. The lid T can nowbe removed and the interior of the cylindrical mouth or door casing A filled with fuel. The lid T is then replaced and the lever G moved, so as to swin the phtte D to one side, thus permitting the cfiarge of fuel to fall into the producer. It is not essential that the joint at C be absolutely air-- tight, since the only opportunity for leakage would be during the short time while the lid T was not in position. I

The construction of the closing-door D as a disk,'the milling ofi of its upper surface, and also the lower surface of the cylinder 0, as well as the pivoting of the closing door or disk D on the operating-lever E are most im- 'portant features of the invention, since it is chiefly through these that a tight closing of the door is secured. It may be stated that it is known that the closingof the chargingdoor by a, water seal has long been known, and no claim is therefore made to this matter, nakedly considered. It is combination of the particular means shown and described operating in connection or combination with a water seal that comprises the invention. It is known not to be new to operate slides without havingtheir surfaces milled and not hav-- .ing the slides oridoors constructed as disks nor pivoted to their working levers; but these are operated with difficulty with consumption of a considerable amount of time and withoutsecun'ng a gas-tight connection or a connection nearly so tight as by my improved means, so far as is now known to me. It will als'obe seen that the water in the annular ring or trough '13 serves to cool the machined seat C, and thereby the disk D, thus preventing warping. from heat and tending to preserve a tight joint at the bottom Got the cylinder A. The pivot L is so constructed as to allow a slight tilting motion of the disk D to compensate for lack of alinement between the shaft F and the machined surface 0. This matter is likewise of importance in the invention. Itis seen that in this con-. struction the water-sealed lid T is relied upon to maintain the tight closure of the producertop by means of the water seal at all times excepting While fuel is being filled into the cylinder A. In case where it is not considered necessary to introduce fuel while theprod ucer is running the disk D.- and accompanying parts E, 1*, G, H, K, and M may be omitted. The dotted lines in. Fig. 2 are self-explanatory by way of showing how the disk D may be operatedthrough the medium of the lever E and its connection.

It is deemed not inapt to termthe .entire structure herein discussed a charging-door for suction gas-producers, still there is no particular part of the structure that can be strictly called the door, and while the cylinder A is at times indicated as composing the door it will beunderstood that in its coned sense it is a casing to the door or doormouth. Again, while the closure-disk is in a sense a door it performs functions that would make the Word door whenvapplied to it, in a sense, a misnomer. It has been endeavored to give names or appellations to parts that will be at least not misleading, and this specification is to be so understood.

I claim- 1. A char ing-door for gas-producers consisting of a oor-mouth casing of cylindrical formopen at both ends and surrounded at its lower end, containing trough, the end below the watertrough being greatly thickened and trued ofi on its bottom surface, a cylindrical cover for the door-mouth casin closed at one end and fitting over the cylin rical door-mouth with its lower ed 0 resting in the water in the trou h, com ined with a removable cover for t e lower extended, thickened and truedofi end of the circular closure for the doormouth, having its upper surface meeting the lower extended, thickened and trued end of the door itself trued or milled off to make a tight connection, a lever connected with the cylindrical .door for opening and closing the same, a water-sealed vertical rod connected with the outer end of the lever to move it, and a lever connected with the rod for operating it. v

' 2. A charging-door-mouth casing for gasproducers consisting of a door of cylindrical form open at both ends and surrounded at I its 'lower end, outside, by an annular watercontaining trough, the end below the watertrough being greatly thickened and trued off on its bottom surface, a cylindrical cover for the door-mouth casing, closed at one end and fitting over the cylindrical door-mouth with its lower edge restin in the water in the trough, combined wit a removable circular cover for the lower extended, thickened and trued-off end of the cylindrical door having its upper surface meeting the lower extended, thickened and trued end of the closure disk or door itself trued or milled off to make a tight connection and a lever extended beyond the center of the door upon which the said door or closure-disk is pivoted at its center to shift or move the latter to openand close the door and a rod through-themedium of which the said lever may be actuated and means, water sealed from the retort or gas-producer proper and the door-mouth, connected with the outer end of the clpsure disk or door to operate it as described.

outside, by an annular water sisting of a. door-mouth casing of cylindrical form open at both ends containing trough, the eniffibelow the watertrough belng greatly thickened andtrued 011 on its bottom surface, a cylindrical cover for the door-mouth, closed at one end and fitting over the cylindrical door-mouth casing with its lower edge 'resting in the water in the trough, combined with a removable cover for the lower extended, thickened and trued-'ofi end of the cylindrical closure disk or door having its upper surface meeting the lower extended, thickened and trued end of the closure disk or door, itself trued or milled off to make a tight connection, a lever u on. which the said closure disk is ivoted to s t or move the latter to open an close the door, and a water-sealed vertical rod at the outer end of said lever to actuate the same.

4. A charging-door for gas-producers, consisting of a cylinder, an annular trough surrounding the said cylinder, adapted to contain water and forming an integral part of said cylinder, and a hollow sleeve orstandard forming an integral part of said trough and rising fromthe bottom of the said troug combined. with a removable disk, adapted to fit tightly on the bpttom of said cylinder which is formed as an extended thickened ledge and to form a bottom thereto, a lever,

upon which said bottom is pivoted for moving the same, a rod in said hollow sleeve or standard, and a lever connected with the top of said rod, said rod and hollow standard being water sealed from said lever.

5. A charging-door for gas-producers, con sisting of a cylinder, an annular trough surrounding the said cylindrical door-mouth, adapted to contain water, and forming an integral part of said cylinder, and a hollow sleeve 01 standard forming an integral part of said trough and rising from the bottom of the said trough, combined with a removable disk adapted to fit tightly on the bottom of said cylinder which isformed as an extended thickened ledge, and to form a bottom thereto, a lever upon which the said bottom ivoted for moving'the same, a rod in said 01- lowsleeve or standard, a lever connected.

with the top of said rod, a spring bearing on the top of said hollow sleeve or standard-the lower edge of the latter resting in the water in the annular trough.

In testimony whereof I afiix my slgnature.

in presence of two subscribing witnesses,

HARRY F. SMITH. Witnesses:

W. E. STRUBLn, W, H. EARHART.

and surrounded at @5- its lower end, outside, by an annular Water-jg roo 

